package com.kuaiyiwang.springcloud.alibaba.service.impl;

import com.kuaiyiwang.springcloud.alibaba.dao.OrderDao;
import com.kuaiyiwang.springcloud.alibaba.domain.Order;
import com.kuaiyiwang.springcloud.alibaba.service.AccountService;
import com.kuaiyiwang.springcloud.alibaba.service.OrderService;
import com.kuaiyiwang.springcloud.alibaba.service.StorageService;
import io.seata.spring.annotation.GlobalTransactional;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;

@Service
@Slf4j
public class OrderServiceImpl implements OrderService {

    @Resource
    private OrderDao orderDao;

    @Resource
    private StorageService storageService;

    @Resource
    private AccountService accountService;


    @Override
    @GlobalTransactional(name = "nacos_tx_group",rollbackFor = Exception.class)
    public void create(Order order) {
        //1.新建订单
        log.info("开始新建订单");
        orderDao.create(order);

        //2.扣减库存
        log.info("订单微服务开始调用库存，做扣减");
        storageService.decrease(order.getProductId(),order.getCount());
        log.info("订单微服务开始调用库存，做扣减End");

        //3.扣减余额
        log.info("订单微服务开始调用账户，做扣减");
        accountService.decrease(order.getUserId(),order.getMoney());
        log.info("订单微服务开始调用账户，做扣减End");

        //4.修改订单状态
        log.info("修改订单状态开始");
        orderDao.update(order.getUserId(),0);
        log.info("修改订单状态结束");

        log.info("下单结束了");
    }
}
